Example 95: File Copying

Problem

Write a program that receives source filename and target filename as command-line arguments and then copies contents of the source file into the target file using low-level disk I/O functions.

Try it yourself

Try to solve this question on your own in the code widget below. If you get stuck, you can always refer to the solution provided.

❗Note: To run your solution or our given solution, follow the following steps:

• Click on the run button.
• Wait for the 4 steps to complete, and then switch to the terminal tab.
• In the terminal tab, write the following command:
  gcc main.c -o main
  Follow it with this command:
  ./main main.c newmain.c
  The above command will copy the contents from main.c into a new file named newmain.c.
  To view the contents of the newmain.c file, enter the following command:
  cat newmain.c